removeAllRanges.html

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This WPT test may be referenced by the following Test IDs:
- /selection/removeAllRanges.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Selection.removeAllRanges()/empty() tests</title>

<div id=log></div>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<script src=common.js></script>

<script>

"use strict";

// Also test a selection with no ranges

testRanges.unshift("[]");

var range = rangeFromEndpoints([paras[0].firstChild, 0, paras[0].firstChild, 1]);

function testRange(rangeDesc, method) {

    var endpoints = eval(testRanges[i]);

    if (endpoints.length && (!isSelectableNode(endpoints[0]) ||

                             !isSelectableNode(endpoints[2]))) {

      return;

    test(function() {

        setSelectionForwards(endpoints);

        selection[method]();

        assert_equals(selection.rangeCount, 0,

            "After " + method + "(), rangeCount must be 0");

        // Test that it's forwards

        selection.addRange(range);

        assert_equals(selection.anchorOffset, selection.getRangeAt(0).startOffset,

            "After " + method + "(), addRange() must be forwards, so anchorOffset must equal startOffset rather than endOffset");

        assert_equals(selection.focusOffset, selection.getRangeAt(0).endOffset,

            "After " + method + "(), addRange() must be forwards, so focusOffset must equal endOffset rather than startOffset");

    }, method + " on " + rangeDesc + " forwards");

    // Copy-pasted from above

    test(function() {

        setSelectionBackwards(endpoints);

        selection[method]();

        assert_equals(selection.rangeCount, 0,

            "After " + method + "(), rangeCount must be 0");

        // Test that it's forwards

        selection.addRange(range);

        assert_equals(selection.anchorOffset, selection.getRangeAt(0).startOffset,

            "After " + method + "(), addRange() must be forwards, so anchorOffset must equal startOffset rather than endOffset");

        assert_equals(selection.focusOffset, selection.getRangeAt(0).endOffset,

            "After " + method + "(), addRange() must be forwards, so focusOffset must equal endOffset rather than startOffset");

    }, method + " on " + rangeDesc + " backwards");

for (var i = 0; i < testRanges.length; i++) {

  testRange(testRanges[i], "removeAllRanges");

  testRange(testRanges[i], "empty");

testDiv.style.display = "none";

</script>